Coloca el verbo modal can / could / should / would / might / must según corresponda en cada oración?

Coloca el verbo modal can / could / should / would / might / must según corresponda en cada oración. 1 - There are plenty of tomatoes in the fridge. You _______ buy any. 2 - It's a hospital. You _____ not smoke cigarretes. 3 - He had been working for more than 11 hours. He _____ be tired after it. 4 - I _____ speak Arabic fluenty when I was a child now I ____ speak very well. 5 - The teacher said we ____ read his book, but we _____ read it if we don't want. 6 - If you want to learn to speak English fluenty, you _____ to work hard. 7 - Take an umbrella. It _____ rain later. 8 - You _____ not leave small objets lying around. It _____ be dangerous.